/**
 *  Copyright 2012 Diego Ceccarelli
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package it.cnr.isti.hpc.dexter.spot.cleanpipe.cleaner;

import it.cnr.isti.hpc.dexter.spot.cleanpipe.Function;
import it.cnr.isti.hpc.dexter.spot.cleanpipe.Pipe;

/**
 * A cleaner performs a simple transformation over an object. 
 * 
 *
 * @author Diego Ceccarelli, diego.ceccarelli@isti.cnr.it
 * created on 20/lug/2012
 */
public abstract class Cleaner<T> extends Function<T> {

	protected void eval(T elem, Pipe<T>.OutputCollector collector){
		collector.pushResult(clean(elem));
	}
	
	/**
	 * returns a spot cleaned with some particular policy
	 * @param spot the spot to clean
	 * @return the cleaned spot
	 */
	public abstract T clean(T spot);

}
